/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef NODEMETADATA_HEADER
#define NODEMETADATA_HEADER
-#include "common_irrlicht.h"
+#include "irr_v3d.h"
#include <string>
#include <iostream>
+#include <map>
/*
- Used for storing:
+ NodeMetadata stores arbitary amounts of data for special blocks.
+ Used for furnaces, chests and signs.
- Oven:
- - Item that is being burned
- - Burning time
- - Item stack that is being heated
- - Result item stack
-
- Sign:
- - Text
+ There are two interaction methods: inventory menu and text input.
+ Only one can be used for a single metadata, thus only inventory OR
+ text input should exist in a metadata.
*/
class Inventory;
+class IGameDef;
class NodeMetadata
{
public:
- typedef NodeMetadata* (*Factory)(std::istream&);
-
- NodeMetadata();
- virtual ~NodeMetadata();
+ NodeMetadata(IGameDef *gamedef);
+ ~NodeMetadata();
- static NodeMetadata* deSerialize(std::istream &is);
- void serialize(std::ostream &os);
-
- // This usually is the CONTENT_ value
- virtual u16 typeId() const = 0;
- virtual NodeMetadata* clone() = 0;
- virtual void serializeBody(std::ostream &os) = 0;
- virtual std::string infoText() {return "<todo: remove this text>";}
- virtual Inventory* getInventory() {return NULL;}
- // This is called always after the inventory is modified, before
- // the changes are copied elsewhere
- virtual void inventoryModified(){}
-
-protected:
- static void registerType(u16 id, Factory f);
-private:
- static core::map<u16, Factory> m_types;
-};
-
-class SignNodeMetadata : public NodeMetadata
-{
-public:
- SignNodeMetadata(std::string text);
- //~SignNodeMetadata();
-
- virtual u16 typeId() const;
- static NodeMetadata* create(std::istream &is);
- virtual NodeMetadata* clone();
- virtual void serializeBody(std::ostream &os);
- virtual std::string infoText();
-
- std::string getText(){ return m_text; }
- void setText(std::string t){ m_text = t; }
-
-private:
- std::string m_text;
-};
-
-class ChestNodeMetadata : public NodeMetadata
-{
-public:
- ChestNodeMetadata();
- ~ChestNodeMetadata();
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is);
- virtual u16 typeId() const;
- static NodeMetadata* create(std::istream &is);
- virtual NodeMetadata* clone();
- virtual void serializeBody(std::ostream &os);
- virtual std::string infoText();
- virtual Inventory* getInventory() {return m_inventory;}
+ void clear();
+
+ // Generic key/value store
+ std::string getString(const std::string &name) const
+ {
+ std::map<std::string, std::string>::const_iterator i;
+ i = m_stringvars.find(name);
+ if(i == m_stringvars.end())
+ return "";
+ return resolveString(i->second);
+ }
+ void setString(const std::string &name, const std::string &var)
+ {
+ if(var.empty())
+ m_stringvars.erase(name);
+ else
+ m_stringvars[name] = var;
+ }
+ // support variable names in values
+ std::string resolveString(const std::string &str) const
+ {
+ if(str.substr(0,2) == "${" && str[str.length()-1] == '}')
+ return resolveString(getString(str.substr(2,str.length()-3)));
+ return str;
+ }
+ std::map<std::string, std::string> getStrings() const
+ {
+ return m_stringvars;
+ }
+
+ // The inventory
+ Inventory* getInventory()
+ {
+ return m_inventory;
+ }
private:
+ std::map<std::string, std::string> m_stringvars;
Inventory *m_inventory;
};
-class FurnaceNodeMetadata : public NodeMetadata
-{
-public:
- FurnaceNodeMetadata();
- ~FurnaceNodeMetadata();
-
- virtual u16 typeId() const;
- virtual NodeMetadata* clone();
- static NodeMetadata* create(std::istream &is);
- virtual void serializeBody(std::ostream &os);
- virtual std::string infoText();
- virtual Inventory* getInventory() {return m_inventory;}
- virtual void inventoryModified();
-
-private:
- Inventory *m_inventory;
-};
/*
List of metadata of all the nodes of a block
public:
~NodeMetadataList();
- void serialize(std::ostream &os);
- void deSerialize(std::istream &is);
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is, IGameDef *gamedef);
// Get pointer to data
NodeMetadata* get(v3s16 p);
void remove(v3s16 p);
// Deletes old data and sets a new one
void set(v3s16 p, NodeMetadata *d);
+ // Deletes all
+ void clear();
+
private:
- core::map<v3s16, NodeMetadata*> m_data;
+ std::map<v3s16, NodeMetadata*> m_data;
};
#endif
projects / dragonfireclient.git / blobdiff